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From 5e5a9d6b5e750e39e8f5bb8837d4f22dc2d9867a Mon Sep 17 00:00:00 2001
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From: Alaa Hleihel <ahleihel@redhat.com>
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Date: Sun, 10 May 2020 14:52:45 -0400
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Subject: [PATCH 069/312] [netdrv] net/mlx5e: Add missing capability bit check
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for IP-in-IP
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Message-id: <20200510145245.10054-83-ahleihel@redhat.com>
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Patchwork-id: 306623
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 BZ 1789378 v2 82/82] net/mlx5e: Add missing capability bit check for IP-in-IP
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Bugzilla: 1789378
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RH-Acked-by: Kamal Heib <kheib@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
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RH-Acked-by: Jonathan Toppins <jtoppins@redhat.com>
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Bugzilla: http://bugzilla.redhat.com/1789378
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Upstream: v5.4
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commit 9c98f7ec01d78b5c12db97d1e5edb7022eefa398
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Author: Marina Varshaver <marinav@mellanox.com>
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Date: Tue Nov 19 18:52:13 2019 +0200
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net/mlx5e: Add missing capability bit check for IP-in-IP
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Device that doesn't support IP-in-IP offloads has to filter csum and gso
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offload support, otherwise kernel will conclude that device is capable of
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offloading csum and gso for IP-in-IP tunnels and that might result in
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IP-in-IP tunnel not functioning.
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Fixes: 25948b87dda2 ("net/mlx5e: Support TSO and TX checksum offloads for IP-in-IP")
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Signed-off-by: Marina Varshaver <marinav@mellanox.com>
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
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Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
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---
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drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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index 7cd3ac6a23a8..2f337a70e157 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@@ -4230,9 +4230,12 @@ static netdev_features_t mlx5e_tunnel_features_check(struct mlx5e_priv *priv,
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switch (proto) {
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case IPPROTO_GRE:
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+ return features;
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case IPPROTO_IPIP:
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case IPPROTO_IPV6:
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- return features;
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+ if (mlx5e_tunnel_proto_supported(priv->mdev, IPPROTO_IPIP))
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+ return features;
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+ break;
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case IPPROTO_UDP:
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udph = udp_hdr(skb);
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port = be16_to_cpu(udph->dest);
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--
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2.13.6
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